A “massive” aerial and naval blockade of Iran is the only thing that prevent Iran from pursuing nuclear weapons, says Israeli Finance Minister Yuval Steinitz. Steinitz warned Bloomberg news on Wednesday that economic sanctions “might not be sufficient” to deter Iran’s nuclear ambitions and that a blockade similar to that imposed by President John F. Kennedy on Cuba in 1962 should be imposed. Appearing on Fox Business on Tuesday, Steinitz welcomed the announcement of the new E.U. ban on Iranian oil but warned that a “more complete economic blockade” might be necessary. Watch it: